Berlin Pollution Control Facility
Berlin, NH · Coos County · Publicly Owned Treatment Works
- Average flow
- 1.12 MGD
- Design flow
- —
- NPDES permit
- NH0100013
- Effective
- Permit expires
- June 2029
- Population served
- 9,425
- CWNS 2022
Berlin Pollution Control Facility is a publicly owned wastewater treatment plant in Berlin, Coos County, New Hampshire treating an average of 1.12 million gallons per day, serving about 9,425 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit NH0100013 (effective), which expires in June 2029, with 5 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Berlin
Berlin's capital improvement plan lists 8 water, sewer and wastewater line items worth $3M starting 2023–2028. The largest budgeted items are shown here.
All water and sewer capital projects in Berlin →
| Project | Budget | Years |
|---|---|---|
| Sanitary Line Replacement | $840,000 | 2023–2028 |
| Modernize Dead River (Bass Shoe) Pump Station | $700,000 | 2028–2028 |
| 4 bay equipment garage | $300,000 | 2027–2027 |
| Phase 2 I & I Reductions - Sewer Lines/Sump Pumps | $278,422 | 2023–2028 |
| Phase 2 I & I Reductions - Flat Roofs | $156,222 | 2023–2028 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
5 verified contacts for Berlin Pollution Control Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Berlin Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Hampshire
Lancaster · 17 mi away
0.0011 MGD
Groveton · 19 mi away
0.02 MGD
Lancaster · 20 mi away
0.23 MGD
Whitefield · 22 mi away
0.09 MGD
North Stratford · 30 mi away
0.02 MGD
Littleton · 32 mi away
0.27 MGD
Colebrook · 35 mi away
0.3 MGD
Woodstock · 38 mi away
0.08 MGD
Berlin Pollution Control Facility: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated April 5, 2025.